Check in LLVM r95781.
diff --git a/test/Sema/predefined-function.c b/test/Sema/predefined-function.c
new file mode 100644
index 0000000..665d0fa
--- /dev/null
+++ b/test/Sema/predefined-function.c
@@ -0,0 +1,37 @@
+// RUN: %clang_cc1 -fsyntax-only -verify -pedantic %s
+
+char *funk(int format);
+enum Test {A=-1};
+char *funk(enum Test x);
+
+int eli(float b); // expected-note {{previous declaration is here}}
+int b(int c) {return 1;}
+
+int foo();
+int foo() {
+ int eli(int (int)); // expected-error {{conflicting types for 'eli'}}
+ eli(b); // expected-error{{incompatible type passing}}
+ return 0;
+}
+
+int bar();
+int bar(int i) // expected-note {{previous definition is here}}
+{
+ return 0;
+}
+int bar() // expected-error {{redefinition of 'bar'}}
+{
+ return 0;
+}
+
+int foobar(int); // note {{previous declaration is here}}
+int foobar() // error {{conflicting types for 'foobar'}}
+{
+ return 0;
+}
+
+int wibble(); // expected-note {{previous declaration is here}}
+float wibble() // expected-error {{conflicting types for 'wibble'}}
+{
+ return 0.0f;
+}